line offset:	1634.9381	2425.3242	14258.6784	16417.7938
line slope:	1251.4148	 788.0048	1982.8663	 680.0343
slope ratio:	   1.5881	   2.9158
subtract ped line offset:	-11339.8519	-7879.4580	-14379.2887	-4691.6273
subtract ped line slope:	1251.4707	 788.0186	1983.1612	 681.7292
slope ratio:	   1.5881	   2.9158
offset:	-11334.4923	-7878.1326	-14351.0190	-4529.1924
x a,b,c:	   0.3764	  -0.9799	   0.0312
y a,b,c:	   0.0624	   1.1930	   0.0536
fval:	   0.1876	   0.0980
x err:	   0.2373	   0.1351	   0.1951
y err:	   0.2508	   0.2083	   0.1397